@JackSawyer: "With IE6 and IE7 I used personal certificates for online banking. If I wanted 
to transfer money from one account to another I opened two IE windows: in one 
I chose certificate A and in other certificate B and typed in passwords. This 
way I could be logged to both my accounts with the same bank.
But there is a bug in IE8 (tested on Vista Ultimate x86): I can still login 
with both account A & B separately. The problem is that now IE8 is using only 
the certificate I last logged in with!
To rephrase: I cannot use IE8 to concurrently access my two banking accounts 
using personal certificates, as I did in IE6 & IE7.
Another thing: I hope this is the right forum to post bugs. Because when I 
googled for "internet explorer 8 bug report" I got connect.microsoft.com/IE , 
which is really not functioning anymore. Besides, if you go directly to that 
link and try to login with your normal Windows Live ID, there are strange 
errors, because before you have to register for Connect and IE8 beta 
programs... Maybe you could make it easier for normal people to report bugs.
This post is a suggestion for Microsoft, and Microsoft responds to the 
suggestions with the most votes. To vote for this suggestion, click the "I 
Agree" button in the message pane. If you do not see the button, follow this 
link to open the suggestion in the Microsoft Web-based Newsreader and then 
click "I Agree" in the message pane.
<url>"
    @iecustomizer: "File>New Session
Regards.
"Jack Sawyer" <email_address> wrote in message 
news:<email_address>
<quote>"
    @JackSawyer: "<quote>
Rob, this solves my immediate problem of being able to use IE8 to use two 
personal andreahouston@example.com. THNX
But still IE8 behavior is erratic / buggy. The reason I didn't open a "new 
session" (or even think of it) was that when opening a new tab (or window) 
and navigating to my online banking website, IE8 asked me to chose which of 
the personal certificates to use. If it was the same session, then it should 
use the certificate already chosen! And not ask again which one to use and 
then disregard the certificate selection in already open tabs logged into the 
online banking application!"
    @iecustomizer: "Hi Jack,
I am no security expert (I tend to shy away from it and accept the wisdom of 
the MS developers), so I am unsure what is happening on your end.
At a guess it sounds like you have not placed your banking site in the 
Trusted Sites Security zone where the default security settings allow the 
most functionality... (mixed content, XSS, active scripting). Without being 
able to look over your shoulder it is difficult to make a constructive 
suggestion.
Regards.
"Jack Sawyer" <email_address> wrote in message 
news:<email_address>
<quote>"
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